AEROSOL PUMP-NOZZLE FOR INTERNAL COMBUSTION ENGINE Russian patent published in 1995 - IPC

FIELD: engine engineering. SUBSTANCE: pump-nozzle has housing, mixing chamber, and sprayers. Sleeves, wherein the first and second plungers are received, are positioned inside the housing. The sprayers are arranged under the first face of the first plunger. The plungers have double-action hydraulic drive for their longitudinal movement. The passage, which connects the space under the first face of the second plunger with the mixing chamber, is connected with the mixing chamber through the sprayer constructed as a nozzle providing centrifugal fuel spraying. The first check valve is received in the passage. The passage is also connected to the one of two passages, used for alternative supplying of fluid to the nozzle, through the second check valve. The passage is in communication with the drain through the throttle opening which is overlapped when the second plunger moves. EFFECT: enhanced quality of spraying. 7 cl, 12 dwg